CN110378096A - A kind of consumable chip communication means, consumable chip and consumptive material - Google Patents
A kind of consumable chip communication means, consumable chip and consumptive material Download PDFInfo
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- CN110378096A CN110378096A CN201910635752.8A CN201910635752A CN110378096A CN 110378096 A CN110378096 A CN 110378096A CN 201910635752 A CN201910635752 A CN 201910635752A CN 110378096 A CN110378096 A CN 110378096A
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- 238000004891 communication Methods 0.000 title claims abstract description 40
- 238000003384 imaging method Methods 0.000 claims abstract description 183
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000012795 verification Methods 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000010200 validation analysis Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17543—Cartridge presence detection or type identification
- B41J2/17546—Cartridge presence detection or type identification electronically
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
- G06F21/445—Program or device authentication by mutual authentication, e.g. between devices or programs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2129—Authenticate client device independently of the user
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- Software Systems (AREA)
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- General Engineering & Computer Science (AREA)
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention relates to printer material consumption technical fields, specifically, being related to a kind of consumable chip communication means, consumable chip, consumptive material.Consumable chip communication means, comprising: in consumptive material sequence number verification process, non-AC certification is carried out based on First ray number and imaging device, and, AC certification is carried out based on the second sequence number and imaging device.Chip uses the First ray number before device upgrade to carry out non-AC certification, so that the First ray number is recorded as used chip serial number by imaging device, the second sequence number after device upgrade is only used in AC certification link.So that after imaging device upgrading, even if in the case where only cracking out one group of second sequence number, it can also be matched with a large amount of First rays number cracked out before imaging device upgrading, realize that a large amount of chips can be by the certification of imaging device after upgrading, enable consumable chip to realize chip volume production in the shortest time, greatly improves the occupation rate of market of the consumable chip of manufacturer.
Description
Technical field
The present invention relates to printer material consumption technical fields, specifically, being related to a kind of consumable chip communication means, consumptive material core
Piece and consumptive material.
Background technique
Can store multiple sequence numbers in the consumable chip of imaging device, these sequence numbers by factory manufacturer setting and
Whether consumable chip is legal for identification.
Imaging device can monitor configuration in the sequence number of consumptive material wherein, and a sequence number is once remembered by an imaging device
Record cannot pass through the verifying of this imaging device to have used again later.Therefore consumable chip needs currently on the market obtain
Guarantee the stability of storage chip enough to more legal sequences number.Such as application publication number CN109334259A, application
In the communication means of consumable chip disclosed in date of publication application for a patent for invention on 2 15th, 2019 and imaging device, consumptive material core
Piece receives the order data that imaging device is sent when imaging device authentication checks are illegal again, feedback answer signal and another
One group of sequence number repeats the above steps to imaging device until detection is legal.
However manufacturer is in order to safeguard oneself market interest, constantly upgrading imaging device.Imaging device after upgrading increases
Specific verification step, increases or has updated Encryption Algorithm in these specific verification steps or can verify sequence number
Validation difficulty is increased with the binding relationship of one piece of data.After imaging device upgrading, the sequence that was stored in consumable chip originally
Row number can not pass through the verifying of imaging device.And it cracks the later imaging device sequence number of upgrading and needs for quite a long time
And energy, imaging device upgraded in the later short period, consumptive material manufacturer can not obtain the new sequence number for sufficiently achieving volume production.
Therefore, using the consumable chip of above-mentioned art solutions, volume production can not be realized within the short time after imaging device upgrading,
Leverage the occupation rate of market that consumptive material manufacturer corresponds to model consumable chip.
Summary of the invention
The present invention is in order to solve the above technical problems, the present invention provides a kind of consumable chip communication means, it is characterised in that:
In consumptive material sequence number verification process, non-AC certification is carried out based on First ray number and imaging device, and, it is based on second
Sequence number and imaging device carry out AC certification.
Heretofore described " AC certification " refers to the specific authentication step newly increased after imaging device upgrading, the present invention
Described in " non-AC certification " refer to other authenticating steps including MAC certification, before imaging device upgrading.Above-mentioned technology
In scheme, chip uses the First ray number before device upgrade to carry out non-AC certification, so that imaging device is by the First ray
Number it is recorded as used chip serial number, the second sequence number after device upgrade is only used in AC certification link.So that
Even if, can also be by itself and imaging device liter in the case where only cracking out one group of second sequence number after imaging device upgrading
A large amount of First rays number for cracking out match before grade, realize a large amount of chips can by the certification of imaging device after upgrading,
Enable consumable chip to realize chip volume production in the shortest time, greatly improves the occupation rate of market of the consumable chip of manufacturer.
Further, when AC certification mark be invalid value when, send First ray number responded to imaging device it is described at
It instructs as the request serial number of equipment and is communicated based on the First ray number with the imaging device；When AC certification mark is
When virtual value, the request serial number that the second sequence number of transmission responds the imaging device to imaging device is instructed and is based on described
Second sequence number is communicated with the imaging device.
Further, the initial value of the AC certification mark is invalid value；When the imaging device ED1 data and core received
The AC certification mark is revised as virtual value when the chip ED1 data prestored in piece mismatch；When receiving particular sequence
When imaging device command in combination, the AC certification mark is revised as invalid value.
Further, the imaging device command in combination of the particular sequence includes the imaging device switch cover or opens again
The imaging device order of 4 particular sequences sent after shutdown.
Further, when AC certification mark is virtual value: based on the chip ED1 data, corresponding to the chip ED1
Chip ED2 data, the chip ROM data of data generate AC authentication code and are sent to the imaging device, to respond the imaging
The request certification AC instruction of equipment.
The present invention also provides a kind of consumable chips, including the communication unit for communicating with imaging device, it is characterised in that:
It further include logic control element, the storage unit for being stored with First ray number and the second sequence number；The logic control element is used
Non- AC certification is carried out based on First ray number and imaging device in consumptive material sequence number verification process in control chip, and, it uses
AC certification is carried out based on the second sequence number and imaging device in consumptive material sequence number verification process in control chip.
In above-mentioned technical proposal, consumable chip uses the First ray number before device upgrade to carry out non-AC certification, so that
The First ray number is recorded as used chip serial number by imaging device, and the second sequence number after device upgrade only exists
AC authenticates link and uses.Even if so that imaging device upgrading after only crack out one group of second sequence number in the case where, can also
To match it with a large amount of First rays number cracked out before imaging device upgrading, realize that a large amount of chips can pass through upgrading
The certification of imaging device afterwards enables consumable chip to realize chip volume production in the shortest time, greatly improves the consumptive material of manufacturer
The occupation rate of market of chip.
Preferably, the storage unit also stores AC certification mark；The logic control element is judging that the AC recognizes
First ray number is sent by the communication unit when card is labeled as invalid value and responds the imaging device to imaging device
Request serial number is instructed and is communicated by the communication unit with the imaging device based on the First ray number, is being judged
The AC certification mark be virtual value when by the communication unit send the second sequence number responded to imaging device it is described at
It is communicated by the communication unit with the imaging device as the request serial number of equipment instructs and is based on second sequence number.
Preferably, the storage unit, goes back storage chip ED1 data, chip ED2 data, chip ROM data, it is described
Chip ED1 data, the chip ED2 data are corresponding with second sequence number；The logic control element is received in chip
To imaging device ED1 data and the chip ED1 data mismatch when the AC certification mark is provided with valid value；Institute
It states and sets invalid value for the AC certification mark when chip receives the imaging device instruction of particular sequence.
Preferably, the logic control element is based on the chip when judging the AC certification mark for virtual value
ED1 data, the chip ED2 data corresponding to the chip ED1 data, chip ROM data generate AC authentication code and by described
Communication unit is sent to the imaging device, to respond the request certification AC instruction of the imaging device.
Preferably, the storage unit is stored with one-to-one second sequence number of multiple groups, chip ED1 data, chip
ED2 data.
Preferably, the storage unit is stored with multiple First rays number.
The present invention also provides a kind of consumptive materials, it is characterised in that: including consumable chip described in any of the above embodiments.
In above-mentioned technical proposal, the consumable chip of consumptive material, which carries out non-AC using the First ray number before device upgrade, to be recognized
Card, so that the First ray number is recorded as used chip serial number by imaging device, the second sequence after device upgrade
Row number is only used in AC certification link.So that after imaging device upgrading, even if only cracking out the feelings of one group of second sequence number
Under condition, it can also be matched with a large amount of First rays number cracked out before imaging device upgrading, realize a large amount of chip energy
Enough certifications by imaging device after upgrading, enable consumable chip to realize chip volume production in the shortest time, greatly improve
The occupation rate of market of the consumable chip of compatible manufacturer.
Detailed description of the invention
Attached drawing 1 is the consumptive material communication means flow chart of embodiment one.
Specific embodiment
Embodiments of the present invention are described in detail below in conjunction with attached drawing.This specific embodiment is only to this hair
Bright explanation, is not the limitation to invention, and those skilled in the art can according to need pair after reading this specification
The present embodiment makes the modification of not creative contribution, but as long as all receiving Patent Law in scope of the presently claimed invention
Protection.
Embodiment one
A kind of consumable chip communication means is suitable for consumable chip.The consumable chip includes communication unit, storage unit, logic
Control unit.Communication unit is used to be communicated with the imaging device for installing the consumable chip, to realize consumable chip and imaging
The data interaction of equipment.Storage unit, for storing consumable information.Storage unit can be EEPROM and be also possible to FLASH reality
Existing, the storage unit in the present embodiment is FLASH flash memory.In order to enable consumable chip can be deposited by the certification of imaging device
First ray number and its related data, the second sequence number and its related data are at least stored in storage unit.Specifically in this implementation
In example, First ray number be imaging device upgrading before, the legal sequence number that has obtained of consumptive material manufacturer, be commonly stored in unit
It is stored with multiple groups First ray number and the corresponding first key of First ray number, to guarantee in these First rays number extremely
A few imaging device that do not installed by consumable chip recorded.It is legal after the upgrading of second Serial No. imaging device
Sequence number, in general, factory manufacturer using upgrade encryption algorithm or by new legal sequence number with one piece of data binding come
Imaging device is upgraded, to increase validation difficulty, safeguards the market interest of oneself.It is stored in the storage unit of the present embodiment
There are at least one set of second sequence number and its related data.Specifically, the related data of the second sequence number includes: the second sequence number pair
The second key and the one-to-one chip ED1 data of the second sequence number and the one-to-one chip ED2 of the second sequence number answered
Data, chip ROM data, wherein chip ED1 data (the chip ED1 number in the present embodiment also related to imaging device ED1 data
According to relative imaging device ED1 data are equal to, so that consumable chip can be looked into according to the imaging device ED1 data received
Corresponding chip ED1 data are found, and then find corresponding chip ED2 data), and it is based on chip ED1 data/imaging device
Chip ROM data in ED1 data, chip ED2 data and storage unit generates requested AC authentication code together.Logic control
Unit can control consumable chip for carrying out the sequence number of communication authentication with imaging device in First ray number and the second sequence
Switch between number, enables certification of the consumable chip by imaging device.
Consumable chip in the present embodiment, the imaging device installed after upgrading with the communication authentication of consumable chip
Process includes following specific authentication steps (i.e. AC verification process):
1. imaging device sends request serial number and instructs to consumable chip, the sequence number of consumable chip is requested.
It is set 2. consumable chip in response to the request serial number instruction of imaging device, needs its sequence number being supplied to imaging
It is standby.
3. being generated based on the sequence number by certain algorithm after imaging device receives the sequence number of consumable chip transmission
4 byte special datas (i.e. imaging device ED1 data).
4. the imaging device ED1 data of generation are sent to consumable chip by imaging device, and send request AC certification instruction
To consumable chip.
5. being primarily based on the imaging received after consumable chip receives the request AC certification instruction of imaging device transmission
Equipment ED1 data are searched for 12byte data (i.e. chip ED2 data) in the storage unit of consumable chip, and are set based on imaging
Chip ROM data in standby ED1 data, chip ED2 data and storage unit generates AC authentication code together.
6. AC authentication code generated is then sent to imaging device to respond the request AC of imaging device by consumable chip
Certification instruction.
7. imaging device sentences the AC authentication code received after the AC authentication code for receiving consumable chip feedback
It is fixed, to judge whether the imaging cartridge is legal.
Before AC certification, imaging device can be also communicated with consumable chip to carry out other certifications other than AC is authenticated
(for example, MAC is authenticated) and operation.Same consumable chip only will do it once in same imaging device, and if only if setting
Consumptive material generation when being installed to imaging device for the first time for having set the consumable chip, no longer carries out the certification later.
The consumable chip communication means of the present embodiment, comprising:
In consumptive material sequence number verification process, non-AC certification is carried out based on First ray number and imaging device, and, it is based on second
Sequence number and imaging device carry out AC certification.In the present embodiment, it can indicate which kind of class chip uses using AC certification mark
The sequence number and imaging device of type carry out authentication: when AC certification mark is invalid value, sending First ray number and be extremely imaged
To respond, the request serial number of the imaging device instructs and is based on the First ray number to equipment and the imaging device is logical
Letter.When AC certification mark is virtual value, the request sequence that the second sequence number responds the imaging device to imaging device is sent
Row number instructs and is based on second sequence number and communicates with the imaging device.
Specifically, consumable chip is after just powering on, before AC certification, consumable chip passes through communication using First ray number
Unit and imaging device carry out other certifications including MAC certification.It is invalid value by the initial value of AC certification mark.Then,
When imaging device and consumable chip carry out AC certification for the first time, since AC certification mark is invalid value, consumable chip is in step 2
Still First ray number is provided to imaging device, leads to the imaging device that imaging device is generated based on First ray number in step 3
The chip ED1 code prestored in ED1 code and chip mismatches, and AC certification mark is modified to virtual value, while consumptive material in steps of 5
Chip is searched for less than the chip ED1 data with imaging device ED1 Data Matching, and AC authentification failure for the first time is caused.And due to imaging
Equipment has " repeat mechanism ", and imaging device can be again started up AC certification after AC authentification failure for the first time, re-executes above-mentioned
Step 1.Since AC certification mark has been modified to virtual value at this time, consumable chip provides the second sequence number in step 2
To imaging device；The core prestored in the imaging device ED1 data and chip that imaging device is generated based on the second sequence number in step 3
Piece ED1 data match, therefore consumable chip is based on imaging device ED1 data/chip ED1 data, corresponding to described in step 5
The chip ED2 data of chip ED1 data are generated and AC authentication code and are sent corresponding to the chip ROM datas of the chip ED1 data
To imaging device, the request certification AC instruction of responder equipment；Since the AC authentication code that chip is sent is matching in step 7
, AC certification will succeed.And the second sequence number and corresponding second key are used during subsequent authentication
It is communicated with imaging device, is switched to First ray number after detecting preset condition, then by the second sequence number.In the present embodiment
Preset condition refer to imaging device switch cover or again switching on and shutting down namely consumable chip power-off after re-power again, this feelings
Imaging device can only send out the imaging device instructing combination of 4 particular sequences under condition, and consumable chip is detecting particular sequence
Imaging device command in combination when, AC certification mark is revised as invalid value, to switch back into First ray number.
Embodiment two
A kind of consumable chip, including communication unit, storage unit, logic control element.Communication unit is used for and installs the consumptive material
The imaging device of chip is communicated, to realize the data interaction of consumable chip and imaging device.Storage unit, for storing consumption
Material information.Storage unit can be EEPROM and be also possible to FLASH realization, and the storage unit in the present embodiment is FLASH flash memory.
In order to enable consumable chip can at least be stored with First ray number and its correlation in storage unit by the certification of imaging device
Data, the second sequence number and its related data.Specifically in the present embodiment, First ray number be imaging device upgrading before, factory
The legal sequence number that quotient has obtained is commonly stored in unit and is stored with multiple groups First ray number and First ray correspondence
First key, to guarantee imaging device record that at least one of these First rays number are not installed by consumable chip
It crosses.Legal sequence number after the upgrading of second Serial No. imaging device, in general, factory manufacturer is calculated using upgrade encryption
Method or new legal sequence number upgrades imaging device with one piece of data binding, to increase validation difficulty, maintenance
The market interest of oneself.At least one set of second sequence number and its related data are stored in the storage unit of the present embodiment.Specifically
, the related data of the second sequence number includes: corresponding second key of the second sequence number and the one-to-one core of the second sequence number
Piece ED1 data, with the one-to-one chip ED2 data of the second sequence number, chip ROM data, wherein chip ED1 data also at
As equipment ED1 data are related, (the chip ED1 data in the present embodiment are equal to relative imaging device ED1 data, to consume
Material chip can be according to the imaging device ED1 data search received to corresponding chip ED1 data, and then finds corresponding
Chip ED2 data, and institute is generated based on the chip ROM data in chip ED1 data, chip ED2 data and storage unit together
The AC authentication code of request).Logic control element is used by executing consumptive material communication means described in embodiment one, control consumable chip
Switch between First ray number and the second sequence number in the sequence number that imaging device carries out communication authentication, so that consumable chip
The certification of imaging device can be passed through.
Logic control element controls consumable chip and is based on First ray number and the non-AC certification of imaging device progress, and controls
Chip is based on the second sequence number and imaging device carries out AC certification.Specifically, AC certification mark can be used to indicate consumptive material core
The verification process of piece and imaging device, logic control element by judge AC certification mark value whether effectively come select for
The sequence number of imaging device progress communication authentication.AC certification mark is also stored in storage chip, when AC certification mark is nothing
Valid value, logic control element control consumable chip communicate recognizing using First ray number and its related data with imaging device
Card, when AC certification mark is virtual value, logic control element control chip using the second sequence number and its related data at
As equipment is communicated and is authenticated.
In the present embodiment, invalid value is set by the initial value of the AC certification mark in storage unit.The consumption of the present embodiment
Material chip operation process are as follows: consumable chip powers on to start to work can receive the instruction of imaging device transmission, logic control later
Unit first determines whether the state of AC certification mark, after the instruction for receiving imaging device transmission to select suitable sequence
Number with imaging device carry out authentication.Since the initial value of AC certification mark is invalid value.Control consumable chip is powered on just
After, before AC certification, control consumable chip carries out including that MAC recognizes using First ray number by communication unit with imaging device
Other certifications including card.Then, when imaging device and consumable chip carry out AC certification for the first time, logic control element judges that AC recognizes
Card is labeled as invalid value, therefore controls consumable chip and still provide First ray number in step 2 to imaging device, leads to step
The chip ED1 code prestored in the imaging device ED1 code and chip that imaging device is generated based on First ray number in 3 mismatches, and patrols
AC certification mark is revised as virtual value by volume control unit, at the same in steps of 5 consumable chip search less than with imaging device ED1
The chip ED1 data of Data Matching, lead to AC authentification failure for the first time.And since imaging device has " repeat mechanism ", for the first time
Imaging device can be again started up AC certification after AC authentification failure, re-execute above-mentioned steps 1.Due to AC certification mark at this time
Be modified to virtual value, therefore, in step 2 logic control element judge AC certification mark for virtual value, therefore control consumptive material
Chip is sent by communication unit, the second sequence number is to imaging device；Imaging device is generated based on the second sequence number in step 3
The chip ED1 data prestored in imaging device ED1 code and chip match, therefore logic control element is based on imaging in step 5
Equipment ED1 data/chip ED1 data, the chip ED2 data corresponding to the chip ED1 data, chip ROM data generate AC
Authentication code is simultaneously sent to imaging device, the request certification AC instruction of responder equipment by communication unit；Due to core in step 7
Piece send AC authentication code be it is matched, AC certification will succeed.And logic control list during subsequent authentication
Member control chip is communicated using the second sequence number and corresponding second key with imaging device, until detecting preset condition
Afterwards, then by the second sequence number it is switched to First ray number.Preset condition in the present embodiment refers to imaging device switch cover or again
It is re-powered again after new switching on and shutting down namely consumable chip power-off, imaging device can only send out 4 particular sequences in this case
Imaging device instructing combination, logic control element authenticates AC in the imaging device command in combination for detecting particular sequence
Label is revised as invalid value, to switch back into First ray number.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those of ordinary skill in the art can be in appended power
Benefit makes various deformations or amendments in the range of requiring.
Claims (12)
1. a kind of consumable chip communication means, it is characterised in that:
In consumptive material sequence number verification process, non-AC certification is carried out based on First ray number and imaging device, and, it is based on second
Sequence number and imaging device carry out AC certification.
2. a kind of consumable chip communication means according to claim 1, it is characterised in that:
When AC certification mark is invalid value, the request sequence that First ray number responds the imaging device to imaging device is sent
Row number is instructed and is communicated based on the First ray number with the imaging device；
When AC certification mark is virtual value, the request sequence that the second sequence number responds the imaging device to imaging device is sent
Row number instructs and is based on second sequence number and communicates with the imaging device.
3. a kind of consumable chip communication means according to claim 2, it is characterised in that:
The initial value of the AC certification mark is invalid value；
When the chip ED1 data prestored in the imaging device ED1 data and chip received mismatch, the AC is authenticated and is marked
Note is revised as virtual value；
When receiving the imaging device command in combination of particular sequence, the AC certification mark is revised as invalid value.
4. a kind of communication means of consumable chip according to claim 3, it is characterised in that:
The imaging device command in combination of the particular sequence include the imaging device switch cover or sent after switching on and shutting down again 4
The imaging device order of particular sequence.
5. a kind of consumable chip communication means according to claim 3, which is characterized in that when AC certification mark is virtual value
When:
AC is generated based on the chip ED1 data, the chip ED2 data corresponding to the chip ED1 data, chip ROM data
Authentication code is simultaneously sent to the imaging device, to respond the request certification AC instruction of the imaging device.
6. a kind of consumable chip, including the communication unit for being communicated with imaging device, it is characterised in that:
It further include logic control element, the storage unit for being stored with First ray number and the second sequence number；
The logic control element is set based on First ray number with imaging in consumptive material sequence number verification process for controlling chip
The standby non-AC certification of progress, and, it is set based on the second sequence number with imaging in consumptive material sequence number verification process for controlling chip
It is standby to carry out AC certification.
7. a kind of consumable chip according to claim 6, it is characterised in that:
The storage unit also stores AC certification mark；
The logic control element sends first by the communication unit when judging the AC certification mark for invalid value
The request serial number that sequence number responds the imaging device to imaging device is instructed and is passed through based on the First ray number
The communication unit is communicated with the imaging device, when judging the AC certification mark for virtual value, passes through the communication unit
The request serial number that member the second sequence number of transmission responds the imaging device to imaging device instructs and is based on second sequence
Row number is communicated by the communication unit with the imaging device.
8. a kind of consumable chip according to claim 7, it is characterised in that:
The storage unit goes back storage chip ED1 data, chip ED2 data, chip ROM data, the chip ED1 data, institute
It is corresponding with second sequence number to state chip ED2 data；
The logic control element, will when the imaging device ED1 data and the chip ED1 data that chip receives mismatch
The AC certification mark is provided with valid value；The AC is recognized when the chip receives the imaging device instruction of particular sequence
Card label is set as invalid value.
9. a kind of consumable chip according to claim 7, it is characterised in that:
The logic control element is based on the chip ED1 data, correspondence when judging the AC certification mark for virtual value
AC authentication code is generated in chip ED2 data, the chip ROM data of the chip ED1 data and is sent by the communication unit
To the imaging device, to respond a kind of request certification AC instruction of the imaging device.
10. consumable chip according to claim 8, it is characterised in that:
The storage unit is stored with one-to-one second sequence number of multiple groups, chip ED1 data, chip ED2 data.
11. consumable chip according to claim 7, it is characterised in that:
The storage unit is stored with multiple First rays number.
12. a kind of consumptive material, it is characterised in that:
Including consumable chip described in any one of claim 6-11.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635752.8A CN110378096A (en) | 2019-07-15 | 2019-07-15 | A kind of consumable chip communication means, consumable chip and consumptive material |
| EP20840001.0A EP3929780A4 (en) | 2019-07-15 | 2020-06-17 | Communication method for consumables chip, consumables chip, and consumable |
| US17/441,277 US11850866B2 (en) | 2019-07-15 | 2020-06-17 | Communication method for consumables chip, consumables chip, and consumable |
| PCT/CN2020/096519 WO2021008291A1 (en) | 2019-07-15 | 2020-06-17 | Communication method for consumables chip, consumables chip, and consumable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635752.8A CN110378096A (en) | 2019-07-15 | 2019-07-15 | A kind of consumable chip communication means, consumable chip and consumptive material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110378096A true CN110378096A (en) | 2019-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910635752.8A Pending CN110378096A (en) | 2019-07-15 | 2019-07-15 | A kind of consumable chip communication means, consumable chip and consumptive material |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11850866B2 (en) |
| EP (1) | EP3929780A4 (en) |
| CN (1) | CN110378096A (en) |
| WO (1) | WO2021008291A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021008291A1 (en) * | 2019-07-15 | 2021-01-21 | 杭州旗捷科技有限公司 | Communication method for consumables chip, consumables chip, and consumable |
| CN113157225A (en) * | 2021-05-25 | 2021-07-23 | 广州众诺电子技术有限公司 | Method for switching serial numbers, consumable device and computer storage medium |
| CN113352770A (en) * | 2020-07-24 | 2021-09-07 | 珠海艾派克微电子有限公司 | Consumable chip and imaging box |
| CN114261211A (en) * | 2021-06-08 | 2022-04-01 | 珠海艾派克微电子有限公司 | Consumable chip, consumable box, consumable chip authentication method and use method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236999A (en) * | 2021-12-22 | 2022-03-25 | 珠海奔图电子有限公司 | Data protection method, consumable chip, consumable and image forming device |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3929780A4 (en) | 2022-11-16 |
| US11850866B2 (en) | 2023-12-26 |
| EP3929780A1 (en) | 2021-12-29 |
| WO2021008291A1 (en) | 2021-01-21 |
| US20220161567A1 (en) | 2022-05-26 |
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Application publication date: 20191025 |